| Acronym | Meaning |
 | APDS | Armour-Piercing |
| NCIS | National Criminal Intelligence Service (British) - Naval Criminal Investigative Service (U.S. Navy) |
| NET | National Educational Television |
| DOTMLPF | Doctrine |
| PGENI | Pharmaco-Genetics For Every Nation Initiative |
| AAC | Army Air Corps (British Army) |
| ZR | Zirconium |
| TANJ | There Ain't No Justice (used As Expletive In The Ringworld Novels) |
| PDD | Past Due Date - Presidential Decision Directive |
| BUG | E -Battlefield Universal Gateway Equipment (buggy) |
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